Log of SV Free Spirit and ships company

The chronicles of the schooner Free Spirit and her crew, embarking on an open ended journey upon the great rolling heap. Free Spirit is currently pursuing humanitarian and commercial goals in the Dominican Republic, on the island of Hispaniola. Working under the Ocean Reach USA and Paradigm Research banners, she is serving as logistics headquarters, workshop, and development laboratory for many ongoing projects. This is the log of her journey.....

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Monday, February 23, 2009

Our First Christmas Aboard

The beautiful Sailing Vessel (SV) Free Spirit docked at the park in Labelle, Florida.




Sherron bought us a great little 2 foot tree to decorate for Christmas that we were perfectly satisfied with.... The kids and us decorated and put out our cookie plate for Santa. But Miss Terrie got us this beautiful full size tree that we surprised the kids with on Christmas morning. It took up the whole Starboard side of the Salon! Paul, Bretton and Tamer all helped me with the decorating and present placement on Christmas Eve. It was a wonderful way to spend our first Christmas aboard Free Spirit.




Tamer, Laura, Blayde, Drake, Valin and Sherron posing for a rare family photo. See the little decorated tree beside me on the table??




Blayde, Valin and Drake inspecting a movie gift that will bring them lots of laughter... Happy Gilmore....



Forget the Christmas lights all over the eaves of the house and enjoy the banners and bows!



Blayde and Valin really enjoying their gift, and I Robot.



Laughter really is the best medicine for all that ails you....



Me and my dear, wonderful man!



Paul juggling what may have been his favorite gift of all - Hot Fries!



Only on a boat would you have to move all the presents, to access the removable panel to start the generator because the inverter started beeping for lack of power. In the middle of opening presents, Valin volunteered to get everything out of the way to start the generator. Must have been all the espresso and coffee drinks we were making with the Bosch Espresso machine that Leonard and Julie gave us before we launched!



An interesting photo picturing 4 rooms on the boat... Tamer in the aft cabin, Bretton in the companionway, Paul in the Salon, and Sherron in the Pilot Berth.



Stockings are the best!



What Christmas is really about; Family, giving, hugs and love!
& Mad Magazine :-)



MERRY CHRISTMAS!!!



Blayde and Paul enjoying the decorative drawing that Paul put on his gag gift to Drake. He gave Drake a set of Pretty Ponies... That the boys took the heads off of, and had to see what happened when you joined them with firecrackers from New Year's Eve.
Happy Times!



Mom opening her Honeymoon present :-) Her and her dear beau were married on January 17th, 2009. We were thankful to be there when Hal drove to Glade's and placed the ring on her finger. We are so glad that she has found true love, and wish them all the happiness that life has to offer.



If they could only snorkel with the plastic candy canes that Valin got them for Christmas... It has to be better than all the cavities :-)



Paul and Bretton - Thank you so much for giving this time in your lives to be a part of ours! We are thankful that you are here, and a part of the Ship's family!


posted by CT | 1:40 AM

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Introducing Propcalc 4.0

Use Propcalc to easily match your hull with your engine, transmission, and propeller
Put the known data in the top fields, then hit the Update button to get the answers.
Results, of course, should be verified by a Naval Architect or qualified surveyor.
Data is provided for three bladed propellers of average type
For two or four bladed props, use the modifiers shown below.

Fill out the fields as follows:

Vessel LWL (ft) = Waterline length
Vessel Disp (lbs) = Vessel displacement
(max) HP = Rated Engine Max HP
Engine RPM max = Engine RPM at Max HP
Engine RPM cruise = Desired or estimated cruise rpm
(Cruise or Max) Kts = Speed to work the calculations for
Slip = Propeller efficience. 45% is average for a displacement cruiser.
Gear ratio = 1: Gear ratio of transmission
SL Ratio Adj. = This value will be added (or subtracted, if a negative value) to the calculated S/L ratio.

Key information:

If the "hp required" is greater than the "cruse HP", you have your cruise RPM set too low for your engine parameters.
If the "hp required" is significantly less than the "cruse HP", you have your cruise RPM set too high for your engine parameters.
If the "hp required" is greater than the "Max HP", then your target speed is too high for your engine/hull parameters.
The S/L ratio is calculated automaticaly based on your input. It can be adjusted if necessary, but normally it should be left alone.
If the calculated S/L ratio exceeds S/L MAX, then the results are likely to be non-predictive. Try a lower speed requirement.
SL Ratios of 1.1 - 1.4 are typical of displacement hulls. Semiplaning or planing hulls can go higher.

Typical propeller slip values:

Sailing auxiliary, barges, etc less than 9 Kts............45%
Heavy powerboats, workboats 9 - 15 Kts....................26%
Powerboats, Lightweight Cruisers 15 - 30 Kts..............24%
High speed planing boats 30 - 45 Kts......................20%
V bottom race boats 45 - 90 Kts...........................10%


Note:

it is possible to get irrational answers by irrational input , I.E specifying excessive speed for hull type and length
Any attempt to exceed hull speed (1.34 times the square root of the waterline length in feet) with a displacement hull are likely
to fail unless the hull is extremely fine (multihull) or otherwise exceptional. In such cases, an S/L adjustment would be in order.

2 and 4 bladed props:


For two bladed propellers, multiply the diameter by 1.05, and the pitch by 1.01
For four bladed propellers, multiply the diameter by .94, and the pitch by .98
PROPCALC
  Inputs:
Vessel LWL (ft) =
Vessel Disp (lbs) =
  (max) HP =
  Engine RPM max =
  Engine RPM cruise =
  (Cruise or Max) Kts =
  Slip =
  Gear ratio = 1:
  SL Ratio Adj. =
   
    Solutions:
  Prop rpm max =
  Prop rpm cruise =
  Pitch =
  Diameter =
  Static Thrust =
  Cruise HP =
  Cruise HP% =
  SL Ratio =
  DL Ratio =
  SL Max =
  HP Required =